<project name="A Simple build file" default="init">
    <property name="target.dir" value="cla
sses"/>
    <property name="src.dir" value="src"/>
    <target name="init"> 
        <mkdir dir="${target.dir}"/> 
    </target>
    <target name="build" depends="init">
        <javac srcdir="${src.dir}" destdir="${target.dir}"/> 
    </target>
</project>
